Study on fresh and dried ginger by GC-MS of supercritical fluid extraction

Using supercritical CO2 method of fresh ginger and dried ginger essential for the extraction and the GC / MS to analyze its components. The results showed that the 26,28 chemical components were identified from fresh ginger essential oil and dry ginger essential oil. Fresh ginger essential components in the main chemical composition is alpha ginger erne( 20. 04%),beta half water celery( 7. 22%),alpha turmeric limonene( 2. 83%),alpha farnesene( 2. 03%),butyl acrylic glyoxalin acid( 37. 74%),respectively. Dry ginger essential oil in the main chemical composition is alpha ginger erne( 26. 27%),beta half water celery( 9. 32%),oxalic acid( 16. 57%),butyl acryl ate 2-isopropyl alcohol which( 4. 84%),alpha turmeric propylene( 3. 66%),alpha farnesene( 3. 12%).